:root {
  color-scheme: light;
  --ink: #111114;
  --muted: #5f6673;
  --subtle: #858b96;
  --line: rgba(60, 60, 67, 0.16);
  --line-strong: rgba(60, 60, 67, 0.28);
  --panel: rgba(255, 255, 255, 0.78);
  --panel-solid: #ffffff;
  --group: rgba(242, 242, 247, 0.84);
  --page: #f5f5f7;
  --blue: #007aff;
  --blue-dark: #0067d8;
  --green: #34c759;
  --orange: #ff9500;
  --red: #ff3b30;
  --purple: #5856d6;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.10);
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.08);
  --ring: 0 0 0 4px rgba(0, 122, 255, 0.18);
  --radius: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  background:
    radial-gradient(circle at 14% 8%, rgba(0, 122, 255, 0.16), transparent 28%),
    radial-gradient(circle at 86% 12%, rgba(52, 199, 89, 0.14), transparent 24%),
    linear-gradient(180deg, #fbfbfd, var(--page));
}

button,
textarea,
input,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

button,
input,
select,
textarea {
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(390px, 470px) minmax(0, 1fr);
  gap: 16px;
  min-height: 100vh;
  padding: 16px;
}

.workspace-panel,
.result-panel {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
}

.workspace-panel {
  position: sticky;
  top: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: calc(100vh - 32px);
  padding: 16px;
  overflow: auto;
}

.result-panel {
  min-width: 0;
  padding: 18px;
  overflow: auto;
}

.brand-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: center;
  padding: 8px 4px 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: #fff;
  font-size: 25px;
  font-weight: 900;
  background: linear-gradient(145deg, #0a84ff, #5e5ce6);
  border-radius: 16px;
  box-shadow: 0 12px 28px rgba(0, 122, 255, 0.26);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 23px;
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: 0;
}

.brand-row p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.input-tabs {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 2px;
  padding: 3px;
  background: rgba(118, 118, 128, 0.14);
  border: 1px solid rgba(118, 118, 128, 0.12);
  border-radius: 14px;
}

.tab-button {
  min-width: 0;
  height: 34px;
  color: var(--muted);
  background: transparent;
  border-radius: 11px;
  font-size: 13px;
  font-weight: 700;
}

.tab-button:hover {
  color: var(--ink);
}

.tab-button.active {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
}

.mode-row,
.status-strip,
.api-help,
.upload-box,
.image-preview,
.surface,
.document-surface,
.summary-band > div,
.history-item,
.model-option {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.mode-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
}

.switch-line {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.switch-line input {
  width: 18px;
  height: 18px;
  accent-color: var(--blue);
}

#api-status {
  max-width: 190px;
  overflow: hidden;
  color: var(--subtle);
  font-size: 12px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tab-view {
  display: none;
}

.tab-view.active {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
}

label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

textarea,
.form-grid input,
.form-grid select,
.case-grid input,
.filter-input {
  width: 100%;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
}

textarea {
  min-height: 310px;
  padding: 14px;
  resize: vertical;
  line-height: 1.58;
}

.form-grid,
.case-grid {
  display: grid;
  gap: 8px;
}

.case-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid input,
.form-grid select,
.case-grid input,
.filter-input {
  min-height: 42px;
  padding: 9px 12px;
}

textarea:focus,
.form-grid input:focus,
.form-grid select:focus,
.case-grid input:focus,
.filter-input:focus {
  border-color: rgba(0, 122, 255, 0.72);
  box-shadow: var(--ring);
}

.control-row,
.header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.header-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.primary-action,
.secondary-action,
.icon-action {
  height: 38px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.primary-action {
  flex: 1;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 8px 18px rgba(0, 122, 255, 0.28);
}

.primary-action:hover {
  background: var(--blue-dark);
}

.secondary-action {
  padding: 0 14px;
  color: var(--blue);
  background: rgba(0, 122, 255, 0.10);
  border: 1px solid rgba(0, 122, 255, 0.16);
}

.secondary-action:hover {
  background: rgba(0, 122, 255, 0.16);
}

.full-action {
  width: 100%;
}

.icon-action {
  width: 38px;
  color: var(--blue);
  background: rgba(0, 122, 255, 0.10);
  border: 1px solid rgba(0, 122, 255, 0.14);
}

.api-help {
  padding: 11px 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.model-list,
.history-list {
  display: grid;
  gap: 8px;
}

.model-list {
  max-height: 220px;
  overflow: auto;
  padding-right: 2px;
}

.model-option {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
}

.model-option:hover,
.history-item:hover,
.evidence-item:hover {
  box-shadow: var(--shadow-soft);
}

.model-option span {
  min-width: 0;
  overflow: hidden;
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-option button,
.history-actions button {
  height: 30px;
  padding: 0 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  background: rgba(0, 122, 255, 0.10);
  border-radius: 999px;
}

.upload-box {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.image-preview {
  display: grid;
  place-items: center;
  min-height: 240px;
  padding: 16px;
  color: var(--muted);
  text-align: center;
  background: rgba(242, 242, 247, 0.78);
}

.image-preview img {
  max-width: 100%;
  max-height: 300px;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

#prompt-output {
  min-height: 520px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 12px;
}

#actual-situation {
  min-height: 220px;
}

.status-strip {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 13px;
}

#status-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  background: var(--subtle);
  border-radius: 999px;
}

#status-dot.ready {
  background: var(--green);
}

.history-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.history-item {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.history-title {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
}

.history-meta {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.history-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.result-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
  padding: 4px 2px 16px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin-bottom: 5px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.summary-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.summary-band > div {
  padding: 15px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}

.metric {
  display: block;
  color: var(--green);
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
}

.metric.warn {
  color: var(--orange);
}

.metric.risk {
  color: var(--red);
}

.metric.score {
  color: var(--purple);
}

.summary-band p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.content-grid,
.insight-grid,
.rights-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.insight-grid,
.rights-grid {
  grid-template-columns: 1fr 1fr;
  margin-top: 12px;
}

.confirm-script {
  grid-column: 1 / -1;
}

.surface,
.document-surface {
  padding: 16px;
  box-shadow: 0 7px 22px rgba(0, 0, 0, 0.05);
}

.surface-title,
.document-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  margin-bottom: 12px;
}

.surface-title h3,
.document-head h3 {
  font-size: 17px;
  line-height: 1.2;
}

.surface-title span {
  color: var(--subtle);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.item-list {
  display: grid;
  gap: 10px;
}

.radar-list,
.timeline-list {
  display: grid;
  gap: 8px;
}

.radar-item {
  display: grid;
  grid-template-columns: 86px 1fr auto;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.radar-track {
  height: 8px;
  overflow: hidden;
  background: rgba(118, 118, 128, 0.16);
  border-radius: 999px;
}

.radar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--orange), var(--red));
  border-radius: inherit;
}

.timeline-item {
  position: relative;
  padding: 10px 12px 10px 32px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  background: rgba(242, 242, 247, 0.72);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.timeline-item::before {
  position: absolute;
  top: 14px;
  left: 12px;
  width: 9px;
  height: 9px;
  content: "";
  background: var(--blue);
  border-radius: 999px;
}

.timeline-type {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
  font-weight: 800;
}

.evidence-item {
  padding: 12px;
  background: rgba(242, 242, 247, 0.72);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  border-radius: 14px;
}

.evidence-item.missing {
  border-left-color: var(--orange);
}

.evidence-item.risk {
  border-left-color: var(--red);
}

.item-topline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-bottom: 6px;
  font-weight: 800;
  line-height: 1.45;
}

.item-tag {
  align-self: start;
  padding: 2px 8px;
  color: var(--muted);
  font-size: 12px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.item-source {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.document-surface {
  margin-top: 12px;
}

.document-head span {
  color: var(--muted);
  font-size: 13px;
}

pre {
  overflow: auto;
  margin: 0;
  padding: 16px;
  color: #1d1d1f;
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(242, 242, 247, 0.74);
  border: 1px solid var(--line);
  border-radius: 14px;
  line-height: 1.68;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .workspace-panel {
    position: static;
    height: auto;
  }

  textarea {
    min-height: 260px;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 10px;
  }

  .workspace-panel,
  .result-panel {
    border-radius: 16px;
  }

  .result-header,
  .surface-title,
  .document-head {
    align-items: stretch;
    flex-direction: column;
  }

  .summary-band,
  .content-grid,
  .insight-grid,
  .rights-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .control-row,
  .header-actions {
    flex-wrap: wrap;
  }

  .primary-action,
  .secondary-action {
    flex: 1 1 auto;
  }

  .input-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media print {
  body {
    background: #fff;
  }

  .workspace-panel,
  .result-header,
  .summary-band,
  .content-grid {
    display: none;
  }

  .app-shell {
    display: block;
    padding: 0;
  }

  .result-panel,
  .document-surface {
    box-shadow: none;
    border: 0;
  }
}